Printed circuit lead carrier tape

Details Printed circuit lead carrier tape Printed circuit lead carrier tape

1981-02-23

1983-04-12

Kucia, R. R.

Electricity: electrical systems and devices

Miscellaneous

29838, 29839, 174 52FP, 174 52PE, 357 70, 361408, H01L 2348, H01L 2932

Patent

active

043800424

ABSTRACT:
A printed circuit lead frame is provided as a carrier for integrated circuits. The conventional frame comprises a foil pattern that is provided with a plurality of fragile delicate lead fingers which are often bent and displaced laterally or vertically before they can be connected to the terminal pads of a semiconductor chip. The present invention provides a removable stabilizing connecting frame which is made from the same conductive foil as the lead fingers and is provided with tear links which innerconnect the removable frame and each of the lead fingers so that the stabilizing frame may be removed after the lead fingers are bonded to the terminal pads of the semiconductor chip.

REFERENCES:
patent: 3440027 (1969-04-01), Hugle
patent: 3544857 (1970-12-01), Byrne et al.
patent: 3611061 (1971-10-01), Segerson
patent: 3689991 (1972-09-01), Aird
patent: 4214364 (1980-07-01), St. Louis et al.
patent: 4234666 (1980-11-01), Gursky
patent: 4289922 (1981-09-01), Devlin
patent: 4312926 (1982-01-01), Burns

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